Mathematical Representation of an Urban Flood Plainby Viraf S. Bhavnagri,
Serial Information: Journal of the Hydraulics Division, 1965, Vol. 91, Issue 2, Pg. 149-173
Document Type: Journal Paper
The computations of flood damages to an urban area have been formalized by using a mathematical model. The flood depth-damage relationship of a structure is written as the product of a unit damage function and an individual characteristic damage coefficient. The sum of such coefficients for all establishments within a small contour interval of the flood plain (the contour characteristic damage) denotes the damage susceptibility of that contour interval. The expected value and standard deviation of the present worth of a time series of damages can be expressed in terms of the current contour characteristic damages and a growth-discount factor that accounts for changes in the level of economic activity with time. A hypothetical example illustrates the application of these concepts to the determination of the optimal size of an upstream single-purpose flood control reservoir.
Subject Headings: Mathematics | Urban areas | Damage (structural) | Flood plains | Floods | Economic factors | Computing in civil engineering | Mathematical models | Computer models
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